<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>setter,getter定义</title>
    <script>
      class peopler {
        constructor(name, age) {
          this.name = name;
          this.age = age;
        }
        set sex(val) {
          this._sex = val;
        }
        get sex() {
          return this._sex;
        }
      }
      let people = new peopler("lmx", 21);

      console.log(people); // {name: "lmx", age: 21}
      people.sex = "男";
      console.log(people.sex); //男
      console.log(people); //{name: "lmx", age: 21, _sex: "男"}
    </script>
  </head>
  <body></body>
</html>
